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mankhwala

4-Methyl thiazole (CAS#693-95-8)

Chemical Property:

Molecular Formula Mtengo wa C4H5NS
Molar Misa 99.15
Kuchulukana 1.09 g/mL pa 25 °C (kuyatsa)
Melting Point 134 ° C
Boling Point 133-134 °C (kuyatsa)
Pophulikira 90°F
Nambala ya JECFA 1043
Kuthamanga kwa Vapor 10mmHg pa 25°C
Maonekedwe Madzi
Specific Gravity 1.090
Mtundu Zowoneka bwino zopanda mtundu mpaka zachikasu pang'ono
Mtengo wa BRN 105228
pKa pK1:3.16(+1) (25°C,μ=0.1)
Mkhalidwe Wosungira Mpweya wozizira, 2-8 ° C
Refractive Index n20/D 1.524(lit.)
Zakuthupi ndi Zamankhwala Kachulukidwe 1.09
kutentha kwa 133-134 ° C
Refractive index 1.5257
kutentha kwa 32 ° C
Gwiritsani ntchito Amagwiritsidwa ntchito ngati mankhwala, Fragrance Intermediates

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R10 - Yoyaka
R22 - Zowopsa ngati zitamezedwa
R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu.
R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso
Kufotokozera Zachitetezo S16 - Khalani kutali ndi magwero oyatsira.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S39 - Valani chitetezo chamaso / kumaso.
Ma ID a UN UN 1993 3/PG 3
WGK Germany 3
Mtengo wa RTECS XJ5096000
TSCA T
HS kodi 29341000
Kalasi Yowopsa 3
Packing Group III

 

Mawu Oyamba

4-Methylthiazole ndi organic pawiri. Zotsatirazi ndizofotokozera mwachidule za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha 4-methylthiazole:

 

Ubwino:

- 4-Methylthiazole ndi madzi achikasu opepuka opanda mtundu.

- Ali ndi fungo lamphamvu la ammonia.

- 4-Methylthiazole imasungunuka m'madzi ndi zosungunulira zambiri za organic kutentha.

- 4-Methylthiazole ndi ofooka acidic pawiri.

 

Gwiritsani ntchito:

- 4-Methylthiazole imagwiritsidwanso ntchito popanga mankhwala ena ophera tizilombo, monga thiazolone, thiazolol, ndi zina.

- Itha kugwiritsidwanso ntchito popanga utoto ndi zinthu za mphira.

 

Njira:

- 4-Methylthiazole ikhoza kupezedwa ndi zomwe methyl thiocyanate ndi vinyl methyl ether.

- Pokonzekera, methyl thiocyanate ndi vinyl methyl ether amachitidwa pansi pa zinthu zamchere kuti apange 4-methyl-2-ethopropyl-1,3-thiazole, yomwe imatchedwa hydrolyzed kuti ipeze 4-methylthiazole.

 

Zambiri Zachitetezo:

- 4-Methylthiazole imakwiyitsa komanso ikuwononga ndipo imatha kuwononga khungu, maso, komanso kupuma.

- Valani zida zodzitetezera zoyenera mukamagwiritsa ntchito ndikupewa kukhudzana ndi khungu ndi maso, komanso pewani kutulutsa nthunzi kapena fumbi.

- Muyenera kuyang'anitsitsa njira zopewera moto ndi kuphulika panthawi yogwira ntchito ndi kusungirako, komanso kupewa zoyatsira ndi ma okosijeni.

- Tsatirani njira zotetezeka zogwirira ntchito ndikugwiritsa ntchito moyenera kuti mupewe ngozi.


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